Problem Display
PID: 135071 (5r1k/4Npb1/3p1N1p/4p2Q/qB2P3/rp3P2/2P3P1/6K1 w - - 0 1)

van den Bos, Jokim

Probleemblad, 2009

5r1k/4Npb1/3p1N1p/4p2Q/qB2P3/rp3P2/2P3P1/6K1

#5

9 + 10


SOLUTION


  • SOUND
  • Keys
    • 1.Kh2!
      • threat
        • 2.Qxf7
          • threat
            • 3.Sg6#
        • 2.Qg6
          • threat
            • 3.Qh7#
          • 2...Bxf6
            • 3.Qxh6#
          • 2...fxg6
            • 3.Sxg6#
      • 1...Qe8
        • 2.Qf5
          • threat
            • 3.Qh7#
          • 2...Bxf6
            • 3.Qxf6+
              • 3...Kh7
                • 4.Sf5
                  • threat
                    • 5.Qg7#
                  • 4...Kg8
                    • 5.Qg7#
                  • 4...Rg8
                    • 5.Qxh6#
      • 1...Qa7
        • 2.Qg6
          • threat
            • 3.Qh7#
          • 2...Qg1+
            • 3.Kg3
              • threat
                • 4.Qh7#
              • 3...Qf2+
                • 4.Kxf2
                  • threat
                    • 5.Qh7#
                  • 4...Bxf6
                    • 5.Qxh6#
                  • 4...fxg6
                    • 5.Sxg6#
              • 3...Qh2+
                • 4.Kxh2
                  • threat
                    • 5.Qh7#
                  • 4...Bxf6
                    • 5.Qxh6#
                  • 4...fxg6
                    • 5.Sxg6#
              • 3...Qe1+
                • 4.Bxe1
                  • threat
                    • 5.Qh7#
                  • 4...Bxf6
                    • 5.Qxh6#
                  • 4...fxg6
                    • 5.Sxg6#
              • 3...Qxg2+
                • 4.Kxg2
                  • threat
                    • 5.Qh7#
                  • 4...Bxf6
                    • 5.Qxh6#
                  • 4...fxg6
                    • 5.Sxg6#
      • 1...Ra1
        • 2.Qxf7
          • threat
            • 3.Sg6#
          • 2...Rh1+
            • 3.Kg3
              • threat
                • 4.Sg6#
              • 3...Rh3+
                • 4.gxh3
                  • threat
                    • 5.Sg6#

FEATURES


NOT CLASSIFIED


Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).